Update robot framework release version

Changes:
    - Update the robot package version to 7.2.2

Tested:
    - Tested on sandbox with different version and
      looks stable for release.
      Robot Framework 7.2.2 (Python 3.12.9 on linux)
      Robot Framework 7.2.2 (Python 3.10.12 on linux)

Change-Id: I567d4a63dce417f3ef963defde90b9b14c787f02
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/requirements.txt b/requirements.txt
index ddc4dc2..5f8b25c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-robotframework==7.1.1
+robotframework==7.2.2
 selenium==4.8.2
 paramiko>=2.5.0
 requests